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Diffstat (limited to 'hurd/translator/proc.mdwn')
-rw-r--r-- | hurd/translator/proc.mdwn | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/hurd/translator/proc.mdwn b/hurd/translator/proc.mdwn new file mode 100644 index 00000000..d5e0960c --- /dev/null +++ b/hurd/translator/proc.mdwn @@ -0,0 +1,75 @@ +[[!meta copyright="Copyright © 2012, 2013 Free Software Foundation, Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +The *proc server* (or, *process server*) implements some aspects of [[Unix]] +processes. + +It is stated by `/hurd/init`. + + +# "Unusual" PIDs + +[[!tag open_issue_hurd]] + + +## IRC, freenode, #hurd, 2012-08-10 + + <braunr> too bad the proc server has pid 0 + <braunr> top & co won't show it + + +## IRC, OFTC, #debian-hurd, 2012-09-18 + + <pinotree> youpi: did you see + https://enc.com.au/2012/09/careful-with-pids/' + <pinotree> ? + <youpi> nope + + +## IRC, OFTC, #debian-hurd, 2013-06-23 + + <teythoon> I've got this idea about the pid 1 issue you mentioned + <teythoon> can't we just make init pid 1? + <teythoon> I mean the mapping is rather arbitrary, we could make our init + pid 2 or something and start sysvs init as pid 1 + <pinotree> not totally sure it is that arbitrary up to the first 4-5 pids + <teythoon> y is that? + <pinotree> at least i see in hurd's code that /hurd/init is assumed as + pid=1 + <teythoon> hurds init that has to stick around for the fs translator sync? + <pinotree> hurd's init does the basic server startup + <pinotree> iirc it also takes care of shutdown/reboot + <teythoon> that's what I meant + <teythoon> and if it wouldn't have to stick around for the translator sync + it could just exec sysvinit + <teythoon> I just think it's easier to patch hurd than to remove the + assumption that init is pid 1 from sysvinit + + +## IRC, freenode, #hurd, 2013-09-13 + + <braunr> teythoon: also, as a feature request, i'd like the proc server not + to have pid 0, if you have any time to do that + <braunr> so it appears in top and friends + <teythoon> braunr: noted, that should be easy + <teythoon> not using 0 is probably a good thing, many things use pid 0 as + something special + + +# Process Discovery + +## IRC, freenode, #hurd, 2013-08-26 + + < teythoon> somewhat related, I do not like the way the proc server just + creates processes for new mach tasks it discovers + < teythoon> that does not play well with subhurds for example + < braunr> teythoon: i agree with you on proc process-to-task mapping + < braunr> that's something i intend to completely rework on propel + < braunr> in a way similar to how pid namespaces work on linux |